return new ArrayList<String>(variableNames.keySet());
}
List<String> result = new ArrayList<String>();
for (String varName : variableNames.keySet()) {
String varType = variableNames.get(varName);
FormatMapping mapping = TagParser.getFormatMapping(varType);
if (formatFilter.equals(mapping.getName())) {
result.add(varName);
}
}
return result;
}